When an empty plastic box of mass 8 kg is placed deep inside water, the box accelerates up with g/4. Mass of the sand that should be kept inside the box so that it may accelerate downward with g/3 is ... (g - acceleration due to gravity)

AP EAMCET Medical 2018 Shift 2 Paper

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When an empty plastic box of mass 8 kg is placed deep inside water, the box accelerates up with

Mass of the sand that should be kept inside the box so that it may accelerate downward with

is ...
(g - acceleration due to gravity)

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